/* * Copyright (c) 2001-2004 Swedish Institute of Computer Science. * All rights reserved.  *  * Redistribution and use in source and binary forms, with or without modification,  * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, *    this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, *    this list of conditions and the following disclaimer in the documentation *    and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products *    derived from this software without specific prior written permission.  * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY  * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. *  * Author: Adam Dunkels <adam@sics.se> * */#ifndef __LWIP_API_MSG_H__#define __LWIP_API_MSG_H__#include "lwip/opt.h"#include "lwip/pbuf.h"#include "lwip/sys.h"#include "lwip/ip.h"#include "lwip/udp.h"#include "lwip/tcp.h"#include "lwip/api.h"enum api_msg_type {  API_MSG_NEWCONN,  API_MSG_DELCONN,    API_MSG_BIND,  API_MSG_CONNECT,  API_MSG_DISCONNECT,  API_MSG_LISTEN,  API_MSG_ACCEPT,  API_MSG_SEND,  API_MSG_RECV,  API_MSG_WRITE,  API_MSG_CLOSE,    API_MSG_MAX};struct api_msg_msg {  struct netconn *conn;  enum netconn_type conntype;  union {    struct pbuf *p;       struct  {      struct ip_addr *ipaddr;      u16_t port;    } bc;    struct {      void *dataptr;      u16_t len;      unsigned char copy;    } w;        sys_mbox_t mbox;    u16_t len;  } msg;};struct api_msg {  enum api_msg_type type;  struct api_msg_msg msg;};void api_msg_input(struct api_msg *msg);void api_msg_post(struct api_msg *msg);#endif /* __LWIP_API_MSG_H__ */